--- sql-editor.js	2009/04/14 19:54:56	10
+++ sql-editor.js	2009/04/14 20:53:44	11
@@ -20,14 +20,30 @@
 			column, where_operator, where_value
 		);
 
+		$('form#sql .changed').removeClass('changed');
+
 		if ( tag == 'TH' ) {
 			console.info('header', column);
-			$('form#sql input[name=order_by]').attr('value', where_value + ' desc');
+			$('form#sql input[name=order_by]')
+				.addClass('changed')
+				.attr('value', where_value + ' desc')
+				;
 		} else if ( tag = 'TD' ) {
 			console.info('column', column, where_operator, where_value);
-			$('form#sql input[name=where_value]').attr('value', where_value);
-			$('form#sql select[name=where_column]').attr('options').selectedIndex = col_nr;
-			$('form#sql input[name=add_group_by]').attr('value', column).css('display','block').attr('disabled',0);
+			$('form#sql input[name=where_value]')
+				.addClass('changed')
+				.attr('value', where_value)
+				;
+			$('form#sql select[name=where_column]')
+				.addClass('changed')
+				.attr('options').selectedIndex = col_nr
+				;
+			$('form#sql input[name=add_group_by]')
+				.addClass('changed')
+				.attr('value', column)
+				.css('display','block')
+				.attr('disabled',0)
+				;
 		} else {
 			console.error('unknown click on ', tag, e);
 		}
@@ -47,15 +63,25 @@
 		var column = $('form#sql input[name=add_group_by]').attr('value');
 		console.debug( this, e, column, l );
 
-		$('input[name=add_group_by]').attr('disabled', 1);
+		$('input[name=add_group_by]')
+			.removeClass('changed')
+			.attr('disabled', 1);
 
 		l.load('?add_group_by='+column);
-		$('input[name=close_group_by]').attr('disabled', 0).bind('click', function() {
-			l.css('display','none');
-			$('input[name=add_group_by]').attr('disabled', 0);
-			$('input[name=close_group_by]').attr('disabled', 1);
-			console.debug('closed group by lookup', column);
-		});
+		$('input[name=close_group_by]')
+			.addClass('changed')
+			.attr('disabled', 0)
+			.bind('click', function() {
+				l.css('display','none')
+					.addClass('changed')
+					.attr('disabled', 0)
+					;
+				$('input[name=close_group_by]')
+					.removeClass('changed')
+					.attr('disabled', 1)
+					;
+				console.debug('closed group by lookup', column);
+			});
 	});
 
 	console.info('ready');